1. Associate Professor, School of Civil and Structural Engineering, Nanyang Technological Univ., Singapore.
2. Professor, School of Resources, Environmental and Civil Engineering, Central–South Univ., P. R. China.
3. Professor, Xiangtan Polytechnic Univ., Xiangtan, Hunan, P. R. China.
4. Project Officer, School of Civil and Structural Engineering, Nanyang Technological Univ., Singapore.